Grille assembly for a bathroom ventilation fan



FIG. 1 is a perspective view of a grille assembly for a bathroom ventilation fan of the invention;

FIG. 2 is a top view of the grille assembly of FIG. 1;

FIG. 3 is a bottom view of the grille assembly of FIG. 1;

FIG. 4 is a front side view of the grille assembly of FIG. 1;

FIG. 5 is a rear side view of the grille assembly of FIG. 1;

FIG. 6 is a left side view of the grille assembly of FIG. 1; and,

FIG. 7 is a right side view of the grille assembly of FIG. 1.

The dashed broken lines illustrate portions of the grille assembly for a bathroom ventilation fan that form no part of the claimed design. 

CLAIM I claim the ornamental design for a grille assembly for a bathroom ventilation fan, as shown and described. 